JTcl is an implementation of Tcl written in Java. JTcl implements a large extent of Tcl 8.4 syntax and commands, limited only by API restrictions of the Java Virtual Machine. JTcl is based on the Jacl interpreter.
JTcl website: http://jtcl.kenai.com/
JTcl 2.1.0 is released as of December 19, 2011. For a list of changes from the previous version, see: http://jtcl.kenai.com/news.html